Finding the Fourth Proportional to 828,834.42, 1,143,789.86 and 466,258.56

Step by Step Solution

1. Step 1: Write the proportion equation
   828,834.42 : 1,143,789.86 = 466,258.56 : x
2. Step 2: Convert to fraction form
   828,834.42/1,143,789.86 = 466,258.56/x
3. Step 3: Cross multiply
   828,834.42x = 1,143,789.86 × 466,258.56
4. Step 4: Simplify right side
   828,834.42x = 533,301,813,066.20
5. Step 5: Solve for x
   x = 533,301,813,066.20/828,834.42
6. Step 6: Final answer
   x = 643,435.89